57 Bond dissociation enthalphies of H g and N g are 436 0 kJ mol and 941 8 kJ mol respectively and enthalpy of formation of NH3

Question

57 Bond dissociation enthalphies of H g and N g are 436 0 kJ mol and 941 8 kJ mol respectively and enthalpy of formation of NH3 g is 46 kJ mol What is enthalpy of atomization of NH g 1 390 3 kJ mol 3 590 kJ mol 2 1170 9 kJ mol 4 720 kJ mol

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